509 Altitude 2.0 Carbon Fiber 3K Hi-Flow Helmet (ECE)

Reinvented to ride even harder, the second generation of the bestselling 509 Altitude series unleashes a whole new animal. Leading the charge is the 509 Altitude 2.0 Carbon Fiber 3K Hi-Flow Helmet with a new hand lay-up 3K carbon composite construction that’s lighter, stronger, and straight-up sleeker than anything before it. For those who like to get aggressive, it includes the Fidlock® magnetic strap buckle for easy one-handed operation, a built-in universal camera mount, plus airflow control venting.

509 ALTITUDE 2.0 CARBON HELMET FEATURES

• Hand lay-up carbon fiber composite construction


• XS to 4X sizes available in three shells for optimal fit and


• minimal weight


• Upper vents for optimal airflow


• Go-Pro® mounting capability, improved design


• Fidlock® chinstrap strap closure for easy in and out


• Perfect fit between helmet eyeport and 509 goggles


• Pro-Series Breathbox included


• Weight: ECE helmet as low as 1050 grams


• 509 helmet bag included

Click here for the Sizing Chart